/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 05:57:56,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 05:57:56,165 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 05:57:56,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 05:57:56,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 05:57:56,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 05:57:56,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 05:57:56,183 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 05:57:56,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 05:57:56,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 05:57:56,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 05:57:56,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 05:57:56,187 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 05:57:56,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 05:57:56,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 05:57:56,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 05:57:56,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 05:57:56,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 05:57:56,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 05:57:56,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 05:57:56,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 05:57:56,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 05:57:56,191 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 05:57:56,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 05:57:56,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 05:57:56,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 05:57:56,192 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 05:57:56,192 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 05:57:56,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 05:57:56,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:57:56,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 05:57:56,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 05:57:56,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 05:57:56,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 05:57:56,194 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 05:57:56,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 05:57:56,194 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 05:57:56,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 05:57:56,194 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 05:57:56,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 05:57:56,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 05:57:56,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 05:57:56,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 05:57:56,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 05:57:56,406 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 05:57:56,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-6.i [2024-05-03 05:57:57,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 05:57:57,852 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 05:57:57,873 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-6.i [2024-05-03 05:57:57,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f82c2c5ac/b485ef86e6a347eab2656532bd080d68/FLAG17ab80bee [2024-05-03 05:57:58,096 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f82c2c5ac/b485ef86e6a347eab2656532bd080d68 [2024-05-03 05:57:58,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 05:57:58,101 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 05:57:58,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 05:57:58,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 05:57:58,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 05:57:58,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ff2743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58, skipping insertion in model container [2024-05-03 05:57:58,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,165 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 05:57:58,379 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-6.i[30243,30256] [2024-05-03 05:57:58,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:57:58,412 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 05:57:58,451 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-6.i[30243,30256] [2024-05-03 05:57:58,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:57:58,508 INFO L206 MainTranslator]: Completed translation [2024-05-03 05:57:58,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58 WrapperNode [2024-05-03 05:57:58,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 05:57:58,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 05:57:58,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 05:57:58,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 05:57:58,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,549 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-05-03 05:57:58,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 05:57:58,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 05:57:58,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 05:57:58,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 05:57:58,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 05:57:58,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 05:57:58,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 05:57:58,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 05:57:58,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:57:58,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:57:58,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 05:57:58,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 05:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-03 05:57:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-03 05:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-03 05:57:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-03 05:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 05:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 05:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 05:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 05:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 05:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 05:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 05:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 05:57:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 05:57:58,671 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 05:57:58,789 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 05:57:58,791 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 05:57:58,929 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 05:57:58,937 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 05:57:58,938 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-03 05:57:58,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:57:58 BoogieIcfgContainer [2024-05-03 05:57:58,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 05:57:58,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 05:57:58,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 05:57:58,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 05:57:58,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 05:57:58" (1/3) ... [2024-05-03 05:57:58,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550d7f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:57:58, skipping insertion in model container [2024-05-03 05:57:58,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (2/3) ... [2024-05-03 05:57:58,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550d7f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:57:58, skipping insertion in model container [2024-05-03 05:57:58,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:57:58" (3/3) ... [2024-05-03 05:57:58,944 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-6.i [2024-05-03 05:57:58,951 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 05:57:58,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 05:57:58,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 05:57:58,959 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 05:57:59,016 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-03 05:57:59,051 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:57:59,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 05:57:59,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:57:59,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 05:57:59,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 05:57:59,141 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 05:57:59,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 05:57:59,159 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2fdff356, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:57:59,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 05:57:59,421 INFO L78 Accepts]: Start accepts. Automaton has currently 694 states, but on-demand construction may add more states Word has length 50 [2024-05-03 05:57:59,421 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:57:59,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:57:59,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:57:59,443 INFO L85 PathProgramCache]: Analyzing trace with hash 721324376, now seen corresponding path program 1 times [2024-05-03 05:57:59,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:57:59,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191966756] [2024-05-03 05:57:59,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:57:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:57:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:57:59,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:57:59,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:57:59,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191966756] [2024-05-03 05:57:59,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191966756] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:57:59,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:57:59,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 05:57:59,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926698028] [2024-05-03 05:57:59,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:57:59,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-03 05:57:59,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:57:59,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-03 05:57:59,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-03 05:57:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:57:59,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:57:59,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:57:59,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:57:59,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:57:59,862 INFO L78 Accepts]: Start accepts. Automaton has currently 614 states, but on-demand construction may add more states Word has length 57 [2024-05-03 05:57:59,862 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:57:59,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 05:57:59,863 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:57:59,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:57:59,863 INFO L85 PathProgramCache]: Analyzing trace with hash -544627393, now seen corresponding path program 1 times [2024-05-03 05:57:59,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:57:59,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385353961] [2024-05-03 05:57:59,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:57:59,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:57:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:57:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:57:59,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:57:59,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385353961] [2024-05-03 05:57:59,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385353961] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:57:59,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722378226] [2024-05-03 05:57:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:57:59,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:57:59,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:58:00,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:58:00,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 05:58:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:58:00,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-03 05:58:00,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:58:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:00,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:58:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:00,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722378226] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:58:00,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:58:00,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-05-03 05:58:00,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963356969] [2024-05-03 05:58:00,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:58:00,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-03 05:58:00,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:58:00,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-03 05:58:00,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-05-03 05:58:00,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:00,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:58:00,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:58:00,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:00,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:00,330 INFO L78 Accepts]: Start accepts. Automaton has currently 156 states, but on-demand construction may add more states Word has length 71 [2024-05-03 05:58:00,331 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:58:00,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 05:58:00,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-05-03 05:58:00,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:58:00,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:58:00,537 INFO L85 PathProgramCache]: Analyzing trace with hash 587621151, now seen corresponding path program 2 times [2024-05-03 05:58:00,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:58:00,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634516219] [2024-05-03 05:58:00,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:58:00,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:58:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:58:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:00,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:58:00,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634516219] [2024-05-03 05:58:00,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634516219] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:58:00,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820457205] [2024-05-03 05:58:00,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:58:00,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:00,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:58:00,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:58:00,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 05:58:00,826 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:58:00,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:58:00,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-03 05:58:00,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:58:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:00,870 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:58:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:00,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820457205] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:58:00,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:58:00,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-05-03 05:58:00,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460551044] [2024-05-03 05:58:00,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:58:00,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-03 05:58:00,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:58:00,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-03 05:58:00,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-05-03 05:58:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:00,978 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:58:00,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:58:00,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:00,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:00,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:01,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:01,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:01,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:01,148 INFO L78 Accepts]: Start accepts. Automaton has currently 240 states, but on-demand construction may add more states Word has length 99 [2024-05-03 05:58:01,149 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:58:01,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 05:58:01,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:01,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:58:01,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:58:01,356 INFO L85 PathProgramCache]: Analyzing trace with hash -838301985, now seen corresponding path program 3 times [2024-05-03 05:58:01,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:58:01,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649402883] [2024-05-03 05:58:01,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:58:01,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:58:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:58:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:01,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:58:01,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649402883] [2024-05-03 05:58:01,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649402883] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:58:01,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032873959] [2024-05-03 05:58:01,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:58:01,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:01,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:58:01,697 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:58:01,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 05:58:01,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-03 05:58:01,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:58:01,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-03 05:58:01,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:58:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:01,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:58:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:02,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032873959] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:58:02,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:58:02,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2024-05-03 05:58:02,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019266315] [2024-05-03 05:58:02,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:58:02,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-03 05:58:02,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:58:02,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-03 05:58:02,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2024-05-03 05:58:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:02,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:58:02,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.838709677419355) internal successors, (150), 31 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:58:02,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:02,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:02,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:02,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:58:02,578 INFO L78 Accepts]: Start accepts. Automaton has currently 387 states, but on-demand construction may add more states Word has length 148 [2024-05-03 05:58:02,579 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:58:02,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-03 05:58:02,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:02,785 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:58:02,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:58:02,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2076361784, now seen corresponding path program 4 times [2024-05-03 05:58:02,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:58:02,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699804761] [2024-05-03 05:58:02,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:58:02,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:58:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:58:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:05,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:58:05,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699804761] [2024-05-03 05:58:05,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699804761] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:58:05,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437974248] [2024-05-03 05:58:05,290 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:58:05,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:05,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:58:05,304 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:58:05,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 05:58:05,448 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:58:05,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:58:05,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 51 conjunts are in the unsatisfiable core [2024-05-03 05:58:05,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:58:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 486 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:09,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:58:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:13,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437974248] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:58:13,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:58:13,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 145 [2024-05-03 05:58:13,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318677536] [2024-05-03 05:58:13,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:58:13,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-05-03 05:58:13,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:58:13,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-05-03 05:58:13,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1237, Invalid=19643, Unknown=0, NotChecked=0, Total=20880 [2024-05-03 05:58:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:13,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:58:13,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.8758620689655174) internal successors, (417), 145 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:58:13,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:13,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:13,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:13,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:58:13,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:59:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:59:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:59:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:59:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:59:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 05:59:06,850 INFO L78 Accepts]: Start accepts. Automaton has currently 18365 states, but on-demand construction may add more states Word has length 157 [2024-05-03 05:59:06,851 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:59:06,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 05:59:07,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:59:07,057 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:59:07,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:59:07,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2144944351, now seen corresponding path program 1 times [2024-05-03 05:59:07,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:59:07,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553281730] [2024-05-03 05:59:07,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:59:07,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:59:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:59:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:59:08,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:59:08,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553281730] [2024-05-03 05:59:08,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553281730] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:59:08,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216618861] [2024-05-03 05:59:08,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:59:08,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:59:08,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:59:08,912 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:59:08,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 05:59:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:59:09,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-03 05:59:09,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:59:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 486 proven. 167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:59:12,224 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:59:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:59:16,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216618861] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:59:16,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:59:16,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 154 [2024-05-03 05:59:16,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540281800] [2024-05-03 05:59:16,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:59:16,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2024-05-03 05:59:16,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:59:16,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2024-05-03 05:59:16,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1248, Invalid=22314, Unknown=0, NotChecked=0, Total=23562 [2024-05-03 05:59:16,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:59:16,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:59:16,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 2.909090909090909) internal successors, (448), 154 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:59:16,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:59:16,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:59:16,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:59:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:59:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 05:59:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:00:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:00:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:00:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:00:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:00:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:00:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2024-05-03 06:00:18,619 INFO L78 Accepts]: Start accepts. Automaton has currently 38889 states, but on-demand construction may add more states Word has length 177 [2024-05-03 06:00:18,620 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:00:18,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-03 06:00:18,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:00:18,826 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:00:18,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:00:18,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1093722337, now seen corresponding path program 2 times [2024-05-03 06:00:18,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:00:18,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977960523] [2024-05-03 06:00:18,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:00:18,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:00:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:00:21,174 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:00:21,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:00:21,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977960523] [2024-05-03 06:00:21,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977960523] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:00:21,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885775380] [2024-05-03 06:00:21,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 06:00:21,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:00:21,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:00:21,176 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:00:21,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 06:00:21,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 06:00:21,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:00:21,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 57 conjunts are in the unsatisfiable core [2024-05-03 06:00:21,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:00:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 486 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:00:24,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:00:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:00:28,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885775380] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:00:28,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:00:28,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 164 [2024-05-03 06:00:28,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032088175] [2024-05-03 06:00:28,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:00:28,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2024-05-03 06:00:28,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:00:28,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2024-05-03 06:00:28,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1342, Invalid=25390, Unknown=0, NotChecked=0, Total=26732 [2024-05-03 06:00:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:00:28,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:00:28,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 3.0792682926829267) internal successors, (505), 164 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:00:28,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:00:28,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:00:28,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:00:28,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:00:28,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:00:28,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2024-05-03 06:00:28,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:02:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:02:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:02:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:02:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:02:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:02:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-05-03 06:02:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-05-03 06:02:05,905 INFO L78 Accepts]: Start accepts. Automaton has currently 49729 states, but on-demand construction may add more states Word has length 217 [2024-05-03 06:02:05,906 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:02:05,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-03 06:02:06,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-05-03 06:02:06,112 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:02:06,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:02:06,113 INFO L85 PathProgramCache]: Analyzing trace with hash -800193439, now seen corresponding path program 3 times [2024-05-03 06:02:06,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:02:06,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508894742] [2024-05-03 06:02:06,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:02:06,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:02:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:02:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 367 proven. 49 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-05-03 06:02:06,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:02:06,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508894742] [2024-05-03 06:02:06,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508894742] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:02:06,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188631589] [2024-05-03 06:02:06,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 06:02:06,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:02:06,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:02:06,694 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:02:06,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-03 06:02:06,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-05-03 06:02:06,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:02:06,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-03 06:02:06,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:02:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-05-03 06:02:06,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-03 06:02:06,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188631589] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 06:02:06,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-03 06:02:06,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [29] total 31 [2024-05-03 06:02:06,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135726553] [2024-05-03 06:02:06,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 06:02:06,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-03 06:02:06,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:02:06,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-03 06:02:06,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2024-05-03 06:02:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:02:06,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:02:06,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.62962962962963) internal successors, (125), 27 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:02:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:02:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:02:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:02:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:02:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:02:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-05-03 06:02:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-05-03 06:02:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:02:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:02:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:02:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:02:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:02:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:02:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-05-03 06:02:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-03 06:02:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:02:08,579 INFO L78 Accepts]: Start accepts. Automaton has currently 63312 states, but on-demand construction may add more states Word has length 197 [2024-05-03 06:02:08,580 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:02:08,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-03 06:02:08,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:02:08,786 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:02:08,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:02:08,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1275956354, now seen corresponding path program 1 times [2024-05-03 06:02:08,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:02:08,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085933115] [2024-05-03 06:02:08,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:02:08,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:02:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:02:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:02:11,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:02:11,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085933115] [2024-05-03 06:02:11,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085933115] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:02:11,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547980981] [2024-05-03 06:02:11,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:02:11,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:02:11,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:02:11,681 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:02:11,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-03 06:02:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:02:11,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 60 conjunts are in the unsatisfiable core [2024-05-03 06:02:11,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:02:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 486 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:02:16,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:02:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:02:21,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547980981] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:02:21,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:02:21,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60, 60] total 172 [2024-05-03 06:02:21,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768509646] [2024-05-03 06:02:21,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:02:21,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2024-05-03 06:02:21,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:02:21,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2024-05-03 06:02:21,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1387, Invalid=28025, Unknown=0, NotChecked=0, Total=29412 [2024-05-03 06:02:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:02:21,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:02:21,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 3.2848837209302326) internal successors, (565), 172 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:02:21,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:02:21,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:02:21,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:02:21,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:02:21,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:02:21,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-05-03 06:02:21,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-03 06:02:21,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:02:21,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:03:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:03:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:03:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:03:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:03:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-05-03 06:03:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-03 06:03:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-05-03 06:03:20,386 INFO L78 Accepts]: Start accepts. Automaton has currently 113630 states, but on-demand construction may add more states Word has length 222 [2024-05-03 06:03:20,387 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:03:20,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-03 06:03:20,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:03:20,592 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:03:20,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:03:20,593 INFO L85 PathProgramCache]: Analyzing trace with hash 757194790, now seen corresponding path program 2 times [2024-05-03 06:03:20,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:03:20,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365584280] [2024-05-03 06:03:20,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:03:20,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:03:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:03:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 94 proven. 25 refuted. 0 times theorem prover too weak. 732 trivial. 0 not checked. [2024-05-03 06:03:20,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:03:20,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365584280] [2024-05-03 06:03:20,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365584280] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:03:20,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641303189] [2024-05-03 06:03:20,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 06:03:20,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:03:20,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:03:20,838 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:03:20,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-03 06:03:20,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 06:03:20,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:03:20,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-03 06:03:20,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:03:20,990 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2024-05-03 06:03:20,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-03 06:03:20,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641303189] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 06:03:20,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-03 06:03:20,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [17] total 19 [2024-05-03 06:03:20,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320009069] [2024-05-03 06:03:20,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 06:03:20,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-03 06:03:20,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:03:20,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-03 06:03:20,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-05-03 06:03:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:03:20,994 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:03:20,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:03:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:03:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:03:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:03:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:03:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-05-03 06:03:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-03 06:03:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:20,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-05-03 06:03:20,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:03:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:03:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:03:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:03:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:03:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2024-05-03 06:03:24,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2024-05-03 06:03:24,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:24,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-05-03 06:03:24,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:24,458 INFO L78 Accepts]: Start accepts. Automaton has currently 107679 states, but on-demand construction may add more states Word has length 207 [2024-05-03 06:03:24,459 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:03:24,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-03 06:03:24,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-03 06:03:24,664 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:03:24,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:03:24,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1577454586, now seen corresponding path program 3 times [2024-05-03 06:03:24,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:03:24,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444111010] [2024-05-03 06:03:24,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:03:24,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:03:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:03:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:03:27,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:03:27,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444111010] [2024-05-03 06:03:27,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444111010] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:03:27,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836805749] [2024-05-03 06:03:27,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 06:03:27,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:03:27,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:03:27,286 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:03:27,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-03 06:03:27,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-05-03 06:03:27,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:03:27,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 62 conjunts are in the unsatisfiable core [2024-05-03 06:03:27,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:03:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 486 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:03:31,794 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:03:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:03:36,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836805749] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:03:36,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:03:36,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 178 [2024-05-03 06:03:36,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016827108] [2024-05-03 06:03:36,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:03:36,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 178 states [2024-05-03 06:03:36,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:03:36,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2024-05-03 06:03:36,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1355, Invalid=30151, Unknown=0, NotChecked=0, Total=31506 [2024-05-03 06:03:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:03:36,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:03:36,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 178 states, 178 states have (on average 3.342696629213483) internal successors, (595), 178 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:03:36,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:03:36,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:03:36,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:36,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:03:36,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:03:36,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2024-05-03 06:03:36,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2024-05-03 06:03:36,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:36,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-05-03 06:03:36,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:03:36,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:04:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:04:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-03 06:04:53,267 INFO L78 Accepts]: Start accepts. Automaton has currently 154832 states, but on-demand construction may add more states Word has length 212 [2024-05-03 06:04:53,269 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:04:53,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-03 06:04:53,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:04:53,474 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:04:53,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:04:53,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2034852646, now seen corresponding path program 4 times [2024-05-03 06:04:53,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:04:53,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063055569] [2024-05-03 06:04:53,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:04:53,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:04:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:04:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:04:55,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:04:55,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063055569] [2024-05-03 06:04:55,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063055569] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:04:55,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114698940] [2024-05-03 06:04:55,781 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 06:04:55,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:04:55,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:04:55,782 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:04:55,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-03 06:04:55,894 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 06:04:55,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:04:55,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 63 conjunts are in the unsatisfiable core [2024-05-03 06:04:55,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:04:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:04:59,071 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:05:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:05:03,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114698940] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:05:03,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:05:03,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-05-03 06:05:03,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510751939] [2024-05-03 06:05:03,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:05:03,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-05-03 06:05:03,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:05:03,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-05-03 06:05:03,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1342, Invalid=31238, Unknown=0, NotChecked=0, Total=32580 [2024-05-03 06:05:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:05:03,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:05:03,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3701657458563536) internal successors, (610), 181 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:05:03,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:05:03,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:05:03,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:05:03,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:05:03,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:05:03,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-03 06:05:03,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 341 states. [2024-05-03 06:05:03,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:05:03,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2024-05-03 06:05:03,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:05:03,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-03 06:05:03,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:06:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:06:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:06:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:06:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:06:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:06:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-03 06:06:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2024-05-03 06:06:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:06:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 248 states. [2024-05-03 06:06:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:06:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2024-05-03 06:06:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 393 states. [2024-05-03 06:06:36,525 INFO L78 Accepts]: Start accepts. Automaton has currently 191031 states, but on-demand construction may add more states Word has length 207 [2024-05-03 06:06:36,527 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:06:36,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-03 06:06:36,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-05-03 06:06:36,733 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:06:36,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:06:36,733 INFO L85 PathProgramCache]: Analyzing trace with hash -840179108, now seen corresponding path program 5 times [2024-05-03 06:06:36,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:06:36,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257836084] [2024-05-03 06:06:36,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:06:36,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:06:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:06:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:06:39,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:06:39,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257836084] [2024-05-03 06:06:39,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257836084] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:06:39,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347447086] [2024-05-03 06:06:39,295 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 06:06:39,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:06:39,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:06:39,296 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:06:39,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-03 06:06:39,416 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-05-03 06:06:39,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:06:39,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 62 conjunts are in the unsatisfiable core [2024-05-03 06:06:39,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:06:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 486 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:06:42,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:06:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:06:47,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347447086] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:06:47,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:06:47,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 178 [2024-05-03 06:06:47,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590676527] [2024-05-03 06:06:47,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:06:47,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 178 states [2024-05-03 06:06:47,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:06:47,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2024-05-03 06:06:47,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1303, Invalid=30203, Unknown=0, NotChecked=0, Total=31506 [2024-05-03 06:06:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:06:47,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:06:47,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 178 states, 178 states have (on average 3.342696629213483) internal successors, (595), 178 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:06:47,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:06:47,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:06:47,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:06:47,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:06:47,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:06:47,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-03 06:06:47,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 341 states. [2024-05-03 06:06:47,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:06:47,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 248 states. [2024-05-03 06:06:47,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:06:47,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2024-05-03 06:06:47,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 393 states. [2024-05-03 06:06:47,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:08:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-05-03 06:08:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 389 states. [2024-05-03 06:08:12,832 INFO L78 Accepts]: Start accepts. Automaton has currently 229902 states, but on-demand construction may add more states Word has length 212 [2024-05-03 06:08:12,835 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:08:12,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-03 06:08:13,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-03 06:08:13,039 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:08:13,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:08:13,039 INFO L85 PathProgramCache]: Analyzing trace with hash 569118526, now seen corresponding path program 6 times [2024-05-03 06:08:13,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:08:13,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148849276] [2024-05-03 06:08:13,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:08:13,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:08:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:08:15,609 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:08:15,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:08:15,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148849276] [2024-05-03 06:08:15,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148849276] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:08:15,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737031529] [2024-05-03 06:08:15,610 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 06:08:15,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:08:15,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:08:15,611 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:08:15,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-03 06:08:15,748 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-05-03 06:08:15,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:08:15,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 63 conjunts are in the unsatisfiable core [2024-05-03 06:08:15,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:08:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:08:19,601 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:08:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:08:24,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737031529] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:08:24,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:08:24,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-05-03 06:08:24,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133427730] [2024-05-03 06:08:24,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:08:24,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-05-03 06:08:24,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:08:24,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-05-03 06:08:24,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1297, Invalid=31283, Unknown=0, NotChecked=0, Total=32580 [2024-05-03 06:08:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:08:24,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:08:24,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3701657458563536) internal successors, (610), 181 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 341 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 389 states. [2024-05-03 06:08:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:10:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:10:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:10:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:10:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:10:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:10:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-05-03 06:10:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2024-05-03 06:10:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:10:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-05-03 06:10:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:10:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 311 states. [2024-05-03 06:10:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 402 states. [2024-05-03 06:10:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-05-03 06:10:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2024-05-03 06:10:08,519 INFO L78 Accepts]: Start accepts. Automaton has currently 272835 states, but on-demand construction may add more states Word has length 212 [2024-05-03 06:10:08,521 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:10:08,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-03 06:10:08,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-03 06:10:08,727 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:10:08,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:10:08,727 INFO L85 PathProgramCache]: Analyzing trace with hash 446197780, now seen corresponding path program 7 times [2024-05-03 06:10:08,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:10:08,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845644129] [2024-05-03 06:10:08,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:10:08,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:10:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:10:10,932 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:10:10,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:10:10,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845644129] [2024-05-03 06:10:10,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845644129] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:10:10,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968797674] [2024-05-03 06:10:10,933 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 06:10:10,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:10:10,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:10:10,934 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:10:10,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-03 06:10:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:10:11,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 63 conjunts are in the unsatisfiable core [2024-05-03 06:10:11,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:10:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:10:14,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:10:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:10:19,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968797674] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:10:19,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:10:19,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-05-03 06:10:19,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074195788] [2024-05-03 06:10:19,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:10:19,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-05-03 06:10:19,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:10:19,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-05-03 06:10:19,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1287, Invalid=31293, Unknown=0, NotChecked=0, Total=32580 [2024-05-03 06:10:19,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:10:19,344 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:10:19,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3701657458563536) internal successors, (610), 181 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:10:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:10:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 345 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 311 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 402 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2024-05-03 06:10:19,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:11:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:11:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:11:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:11:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 311 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 402 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-05-03 06:11:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2024-05-03 06:11:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2024-05-03 06:11:45,662 INFO L78 Accepts]: Start accepts. Automaton has currently 320192 states, but on-demand construction may add more states Word has length 212 [2024-05-03 06:11:45,665 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:11:45,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-03 06:11:45,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:11:45,870 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:11:45,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:11:45,871 INFO L85 PathProgramCache]: Analyzing trace with hash 305800238, now seen corresponding path program 8 times [2024-05-03 06:11:45,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:11:45,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187627789] [2024-05-03 06:11:45,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:11:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:11:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:11:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:11:48,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:11:48,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187627789] [2024-05-03 06:11:48,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187627789] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:11:48,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437601808] [2024-05-03 06:11:48,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 06:11:48,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:11:48,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:11:48,482 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:11:48,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-03 06:11:48,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 06:11:48,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:11:48,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 63 conjunts are in the unsatisfiable core [2024-05-03 06:11:48,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2024-05-03 06:11:48,845 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 06:11:48,848 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 06:11:48,853 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 06:11:48,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-03 06:11:48,884 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 06:11:49,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-03 06:11:49,049 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 213 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ATOM-1 context. [2024-05-03 06:11:49,072 INFO L445 BasicCegarLoop]: Path program histogram: [8, 4, 3, 1] [2024-05-03 06:11:49,074 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-03 06:11:49,076 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 06:11:49,078 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 06:11:49,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 06:11:49 BasicIcfg [2024-05-03 06:11:49,081 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 06:11:49,081 INFO L158 Benchmark]: Toolchain (without parser) took 830979.86ms. Allocated memory was 335.5MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 303.8MB in the beginning and 3.2GB in the end (delta: -2.9GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-05-03 06:11:49,081 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 223.3MB. Free memory is still 184.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 06:11:49,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.79ms. Allocated memory is still 335.5MB. Free memory was 303.8MB in the beginning and 283.4MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-03 06:11:49,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.44ms. Allocated memory is still 335.5MB. Free memory was 283.4MB in the beginning and 281.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 06:11:49,082 INFO L158 Benchmark]: Boogie Preprocessor took 21.80ms. Allocated memory is still 335.5MB. Free memory was 281.3MB in the beginning and 280.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 06:11:49,082 INFO L158 Benchmark]: RCFGBuilder took 366.32ms. Allocated memory is still 335.5MB. Free memory was 280.2MB in the beginning and 265.0MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-03 06:11:49,082 INFO L158 Benchmark]: TraceAbstraction took 830140.64ms. Allocated memory was 335.5MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 264.0MB in the beginning and 3.2GB in the end (delta: -2.9GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-05-03 06:11:49,083 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 223.3MB. Free memory is still 184.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 405.79ms. Allocated memory is still 335.5MB. Free memory was 303.8MB in the beginning and 283.4MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.44ms. Allocated memory is still 335.5MB. Free memory was 283.4MB in the beginning and 281.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.80ms. Allocated memory is still 335.5MB. Free memory was 281.3MB in the beginning and 280.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 366.32ms. Allocated memory is still 335.5MB. Free memory was 280.2MB in the beginning and 265.0MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 830140.64ms. Allocated memory was 335.5MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 264.0MB in the beginning and 3.2GB in the end (delta: -2.9GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4064559, independent: 3822569, independent conditional: 3822569, independent unconditional: 0, dependent: 241990, dependent conditional: 241990, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3841063, independent: 3822569, independent conditional: 3822569, independent unconditional: 0, dependent: 18494, dependent conditional: 18494, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3841063, independent: 3822569, independent conditional: 3822569, independent unconditional: 0, dependent: 18494, dependent conditional: 18494, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4059697, independent: 3822569, independent conditional: 3091, independent unconditional: 3819478, dependent: 237128, dependent conditional: 215543, dependent unconditional: 21585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4059697, independent: 3822569, independent conditional: 3091, independent unconditional: 3819478, dependent: 237128, dependent conditional: 71987, dependent unconditional: 165141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4059697, independent: 3822569, independent conditional: 3091, independent unconditional: 3819478, dependent: 237128, dependent conditional: 71987, dependent unconditional: 165141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3149, independent: 782, independent conditional: 371, independent unconditional: 411, dependent: 2367, dependent conditional: 2364, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3149, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 2738, dependent conditional: 0, dependent unconditional: 2738, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2738, independent: 371, independent conditional: 371, independent unconditional: 0, dependent: 2367, dependent conditional: 2364, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2738, independent: 371, independent conditional: 371, independent unconditional: 0, dependent: 2367, dependent conditional: 2364, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5312, independent: 635, independent conditional: 635, independent unconditional: 0, dependent: 4677, dependent conditional: 4644, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4059697, independent: 3821787, independent conditional: 2720, independent unconditional: 3819067, dependent: 234761, dependent conditional: 69623, dependent unconditional: 165138, unknown: 3149, unknown conditional: 2735, unknown unconditional: 414] , Statistics on independence cache: Total cache size (in pairs): 3149, Positive cache size: 782, Positive conditional cache size: 371, Positive unconditional cache size: 411, Negative cache size: 2367, Negative conditional cache size: 2364, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 143556, Maximal queried relation: 15, Independence queries for same thread: 223496 - StatisticsResult: Visitor Statistics States: 687, Transitions: 873, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 588, Transitions: 683, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 72, Transitions: 72, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 100, Transitions: 100, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 149, Transitions: 149, Traversal time: 0.4s - StatisticsResult: Visitor Statistics States: 18944, Transitions: 20912, Traversal time: 53.6s - StatisticsResult: Visitor Statistics States: 39120, Transitions: 42486, Traversal time: 62.5s - StatisticsResult: Visitor Statistics States: 49900, Transitions: 54038, Traversal time: 97.0s - StatisticsResult: Visitor Statistics States: 63848, Transitions: 68628, Traversal time: 1.7s - StatisticsResult: Visitor Statistics States: 114137, Transitions: 121441, Traversal time: 58.5s - StatisticsResult: Visitor Statistics States: 108362, Transitions: 116376, Traversal time: 3.5s - StatisticsResult: Visitor Statistics States: 155353, Transitions: 165011, Traversal time: 76.5s - StatisticsResult: Visitor Statistics States: 191522, Transitions: 202274, Traversal time: 93.2s - StatisticsResult: Visitor Statistics States: 230480, Transitions: 243669, Traversal time: 85.7s - StatisticsResult: Visitor Statistics States: 273530, Transitions: 289220, Traversal time: 104.1s - StatisticsResult: Visitor Statistics States: 320929, Transitions: 337310, Traversal time: 86.3s - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 213 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 829.9s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 723.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3190, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 97.6s InterpolantComputationTime, 4840 NumberOfCodeBlocks, 4833 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 6755 ConstructedInterpolants, 0 QuantifiedInterpolants, 82917 SizeOfPredicates, 490 NumberOfNonLiveVariables, 4762 ConjunctsInSsa, 605 ConjunctsInUnsatCore, 41 InterpolantComputations, 3 PerfectInterpolantSequences, 8136/24389 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown